/* roulang page: index */
/* ===== Design Tokens ===== */
:root {
  --primary: #0B3B2D;
  --primary-dark: #082B21;
  --primary-deep: #10201A;
  --accent: #C6F24E;
  --accent-dark: #2A3A1A;
  --bg: #F7F5EF;
  --card-bg: #FFFFFF;
  --text: #1F2933;
  --text-secondary: #5F6C7A;
  --text-on-dark: #E8F0E4;
  --gold: #E8B14E;
  --border: #E5E7EB;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
  --transition: 0.25s ease;
  --container: 1280px;
  --header-h: 72px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--accent-dark);
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
input {
  font-family: inherit;
}
ul, ol {
  list-style: none;
}
/* ===== Container ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
/* ===== Top Brand Bar ===== */
.topbar {
  height: 6px;
  background: linear-gradient(90deg, var(--primary), var(--accent) 65%, var(--gold));
}
/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}
.nav-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: var(--header-h);
  padding: 12px 0;
}
.logo {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  padding: 4px 0;
}
.logo-cn {
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 10px;
  font-weight: 500;
  color: rgba(232, 240, 228, 0.65);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 2px;
}
.search-box {
  flex: 1;
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border-radius: 40px;
  height: 44px;
  padding: 0 16px;
  gap: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: box-shadow var(--transition), border var(--transition);
  border: 2px solid transparent;
}
.search-box:focus-within {
  box-shadow: 0 0 0 4px rgba(198, 242, 78, 0.28);
  border-color: var(--accent);
}
.search-box svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  stroke: var(--text-secondary);
}
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text);
  background: transparent;
}
.search-box input::placeholder {
  color: #9AA5B1;
}
.search-box kbd {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-secondary);
  background: #F0F1F3;
  border: 1px solid #D9DEE3;
  border-radius: 6px;
  padding: 2px 8px;
  font-family: inherit;
}
.nav-cats {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.nav-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(232, 240, 228, 0.85);
  padding: 8px 14px;
  border-radius: 40px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-cat::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.7;
}
.nav-cat:hover {
  background: var(--accent);
  color: var(--accent-dark);
  border-color: var(--accent);
}
.nav-cat:hover::before {
  background: var(--accent-dark);
}
.nav-cat.active {
  background: rgba(198, 242, 78, 0.14);
  color: var(--accent);
  border-color: rgba(198, 242, 78, 0.4);
}
.nav-cat.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--accent);
}
.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(232, 240, 228, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--transition);
}
.icon-btn:hover {
  background: var(--accent);
  color: var(--accent-dark);
  border-color: var(--accent);
}
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}
.hamburger:hover {
  background: rgba(255, 255, 255, 0.2);
}
.mobile-drawer {
  display: none;
}
/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, rgba(11, 59, 45, 0.88) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #FFFFFF;
  padding: 72px 0 56px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(198, 242, 78, 0.16) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.35;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-content {
  flex: 1.25;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(198, 242, 78, 0.14);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 40px;
  border: 1px solid rgba(198, 242, 78, 0.28);
  margin-bottom: 20px;
}
.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite ease-in-out;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  max-width: 640px;
}
.hero-title .highlight {
  color: var(--accent);
}
.hero-sub {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 240, 228, 0.82);
  max-width: 560px;
  margin-bottom: 30px;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--accent-dark);
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 40px;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(198, 242, 78, 0.2);
}
.btn-primary:hover {
  background: #ffffff;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(198, 242, 78, 0.3);
}
.btn-primary:active {
  transform: translateY(0) scale(0.98);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-on-dark);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 40px;
  border: 2px solid rgba(232, 240, 228, 0.55);
  transition: all var(--transition);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(198, 242, 78, 0.08);
}
.btn-ghost:active {
  transform: scale(0.98);
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.badge-item {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  min-width: 110px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.badge-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.badge-num.gold {
  color: var(--gold);
}
.badge-label {
  font-size: 11px;
  color: rgba(232, 240, 228, 0.65);
  letter-spacing: 0.04em;
  margin-top: 4px;
}
.hero-visual {
  flex: 0.85;
  position: relative;
}
.hero-visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 4px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.hero-visual::after {
  content: "";
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(198, 242, 78, 0.3), transparent 70%);
  z-index: -1;
}
/* ===== Section Common ===== */
.section {
  padding: 72px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 20px;
}
.section-head-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.section-no {
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -0.02em;
}
.section-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.6;
}
.section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.section-link:hover {
  color: var(--accent-dark);
}
.section-link::after {
  content: "→";
  transition: transform var(--transition);
}
.section-link:hover::after {
  transform: translateX(4px);
}
/* ===== Collection ===== */
.collection-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.collection-item {
  flex: 1 1 calc(50% - 16px);
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  transition: all var(--transition);
}
.collection-item:hover {
  background: rgba(198, 242, 78, 0.06);
  border-color: rgba(198, 242, 78, 0.5);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.collection-index {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.collection-info {
  flex: 1;
}
.collection-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.collection-meta {
  font-size: 13px;
  color: var(--text-secondary);
}
.collection-meta strong {
  color: var(--primary);
  font-weight: 700;
}
.collection-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.5;
}
.collection-arrow {
  color: var(--primary);
  font-size: 20px;
  transition: transform var(--transition);
  opacity: 0.6;
}
.collection-item:hover .collection-arrow {
  transform: translateX(4px);
  opacity: 1;
}
/* ===== Featured Cards ===== */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.featured-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.featured-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(198, 242, 78, 0.6);
}
.card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #ECEFF1;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.featured-card:hover .card-cover img {
  transform: scale(1.04);
}
.card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(11, 59, 45, 0.82);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 40px;
  backdrop-filter: blur(4px);
  z-index: 2;
}
.card-badge.hot {
  background: rgba(232, 177, 78, 0.92);
  color: var(--text);
}
.card-content {
  padding: 22px 24px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(198, 242, 78, 0.18);
  padding: 3px 10px;
  border-radius: 40px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.card-title {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid #F0F1F3;
  padding-top: 14px;
  margin-top: auto;
}
.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link::after {
  content: "→";
  transition: transform var(--transition);
}
.card-link:hover::after {
  transform: translateX(4px);
}
/* ===== Related Track ===== */
.related-track {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}
.related-main {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.related-main:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.related-main .card-cover {
  aspect-ratio: 16/9;
}
.related-main .card-content {
  padding: 24px;
}
.related-main .card-title {
  font-size: 22px;
}
.related-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.related-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  transition: all var(--transition);
  flex: 1;
}
.related-item:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(198, 242, 78, 0.5);
  transform: translateX(3px);
}
.related-thumb {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ECEFF1;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.related-item-content {
  flex: 1;
  min-width: 0;
}
.related-item-cat {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(198, 242, 78, 0.18);
  padding: 2px 8px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 5px;
}
.related-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.related-item-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
/* ===== CTA Band ===== */
.cta-band {
  background: var(--primary);
  border-radius: var(--radius-xl);
  color: #FFFFFF;
  padding: 52px 56px;
  position: relative;
  overflow: hidden;
  margin: 24px 0 8px;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(198, 242, 78, 0.2), transparent 70%);
  border-radius: 50%;
}
.cta-band::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: 30%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(232, 177, 78, 0.14), transparent 70%);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-text h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}
.cta-text p {
  font-size: 15px;
  color: rgba(232, 240, 228, 0.8);
}
.cta-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.btn-primary.light {
  background: var(--accent);
  color: var(--accent-dark);
}
.btn-primary.light:hover {
  background: #FFFFFF;
}
.share-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.share-label {
  font-size: 13px;
  color: rgba(232, 240, 228, 0.7);
}
.share-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}
.share-btn:hover {
  background: var(--accent);
  color: var(--accent-dark);
}
/* ===== News / CMS List ===== */
.news-section {
  background: var(--bg);
}
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
}
.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(198, 242, 78, 0.5);
}
.news-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.news-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(198, 242, 78, 0.2);
  padding: 3px 10px;
  border-radius: 40px;
}
.news-date {
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.news-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  flex: 1;
}
.news-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-more::after {
  content: "→";
  transition: transform var(--transition);
}
.news-card:hover .news-more::after {
  transform: translateX(4px);
}
.news-empty {
  grid-column: 1 / -1;
  border: 2px dashed #CBD2D9;
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.5);
}
.news-empty svg {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  stroke: #CBD2D9;
}
.news-empty p {
  font-size: 14px;
}
/* ===== FAQ ===== */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.faq-intro h2 {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.3;
}
.faq-intro p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover {
  border-color: rgba(198, 242, 78, 0.5);
}
.faq-item.open {
  border-color: rgba(198, 242, 78, 0.6);
  box-shadow: var(--shadow-sm);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
}
.faq-toggle {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: transform var(--transition);
}
.faq-toggle::before {
  left: 50%;
  top: 1px;
  width: 2px;
  height: 16px;
  transform: translateX(-50%);
}
.faq-toggle::after {
  left: 1px;
  top: 50%;
  width: 16px;
  height: 2px;
  transform: translateY(-50%);
}
.faq-item.open .faq-toggle::before {
  transform: translateX(-50%) rotate(45deg);
}
.faq-item.open .faq-toggle::after {
  transform: translateY(-50%) rotate(45deg);
}
.faq-a {
  display: none;
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-item.open .faq-a {
  display: block;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--primary-deep);
  color: var(--text-on-dark);
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 40px;
}
.footer-brand .logo-cn {
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
}
.footer-brand .logo-sub {
  font-size: 11px;
  color: rgba(232, 240, 228, 0.5);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 4px 0 16px;
  display: block;
}
.footer-desc {
  font-size: 14px;
  color: rgba(232, 240, 228, 0.65);
  line-height: 1.7;
  max-width: 360px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(232, 240, 228, 0.65);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-safe {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.15);
  padding: 14px 0;
}
.footer-safe-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: rgba(232, 240, 228, 0.6);
  text-align: center;
  gap: 8px;
}
.copyright {
  padding: 20px 0 28px;
  text-align: center;
  font-size: 13px;
  color: rgba(232, 240, 228, 0.45);
}
.copyright a {
  color: rgba(232, 240, 228, 0.45);
}
.copyright a:hover {
  color: var(--accent);
}
/* ===== Mobile Fav Bar ===== */
.mobile-fav {
  display: none;
}
/* ===== Focus Visible ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }
  .nav-cats {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .search-box {
    max-width: 400px;
  }
  .hero-inner {
    flex-direction: column;
    gap: 32px;
  }
  .hero-content {
    width: 100%;
  }
  .hero-visual {
    width: 100%;
  }
  .hero-visual img {
    max-height: 340px;
    object-position: center;
  }
  .related-track {
    grid-template-columns: 1fr;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .mobile-drawer {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 16px 24px 24px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  }
  .mobile-drawer.open {
    display: block;
  }
  .mobile-drawer .drawer-cat {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    color: var(--text-on-dark);
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition);
  }
  .mobile-drawer .drawer-cat:hover {
    background: rgba(198, 242, 78, 0.12);
    color: var(--accent);
  }
  .mobile-drawer .drawer-cat::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
  }
}
@media (max-width: 768px) {
  :root {
    --header-h: 56px;
  }
  .container {
    padding: 0 16px;
  }
  .nav-wrap {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 0;
  }
  .logo {
    margin-right: auto;
  }
  .logo-cn {
    font-size: 17px;
  }
  .logo-sub {
    font-size: 9px;
  }
  .search-box {
    order: 3;
    width: 100%;
    max-width: none;
    margin: 4px 0 0;
    height: 40px;
  }
  .actions {
    gap: 6px;
  }
  .hero {
    padding: 48px 0 40px;
  }
  .hero-inner {
    gap: 24px;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-sub {
    font-size: 14px;
  }
  .hero-badges {
    gap: 8px;
  }
  .badge-item {
    flex: 1 1 calc(50% - 8px);
    padding: 10px 14px;
    min-width: 0;
  }
  .badge-num {
    font-size: 20px;
  }
  .section {
    padding: 48px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 24px;
  }
  .section-title {
    font-size: 22px;
  }
  .section-desc {
    font-size: 13px;
  }
  .collection-item {
    flex: 1 1 100%;
    padding: 18px;
  }
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .news-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cta-band {
    padding: 36px 24px;
    border-radius: var(--radius-lg);
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 28px;
  }
  .footer-safe-inner {
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
  }
  .mobile-fav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  }
  .mobile-fav .fav-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary);
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 600;
    padding: 12px;
    border-radius: 40px;
    transition: all var(--transition);
  }
  .mobile-fav .fav-btn:hover {
    background: var(--accent);
    color: var(--accent-dark);
  }
  body {
    padding-bottom: 72px;
  }
}
@media (max-width: 520px) {
  .hero-visual img {
    max-height: 240px;
  }
  .related-thumb {
    width: 80px;
    height: 80px;
  }
  .collection-arrow {
    display: none;
  }
}

/* roulang page: article */
:root {
  --primary: #0B3B2D;
  --primary-light: #134B3A;
  --primary-dark: #06251D;
  --accent: #C6F24E;
  --accent-dark: #A8D432;
  --bg: #F7F5EF;
  --card-bg: #FFFFFF;
  --text: #1F2933;
  --text-2: #5F6C7A;
  --text-invert: #E8F0E4;
  --gold: #E8B14E;
  --border: #E5E7EB;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --transition: 0.25s ease;
  --container: 1280px;
  --read-width: 820px;
  --header-h: 72px;
  --footer-bg: #0A2E23;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}
ul,
ol {
  list-style: none;
}
button,
input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.container-narrow {
  width: 100%;
  max-width: var(--read-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  box-shadow: 0 4px 20px rgba(6, 37, 29, 0.25);
}
.top-stripe {
  height: 6px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--gold) 100%);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  line-height: 1.1;
  margin-right: 4px;
}
.brand-cn {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}
.brand-sub {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-search {
  flex: 1 1 380px;
  max-width: 560px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 40px;
  padding: 0 16px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.nav-search svg {
  width: 18px;
  height: 18px;
  stroke: rgba(255, 255, 255, 0.7);
  flex-shrink: 0;
  margin-right: 10px;
}
.nav-search input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
  height: 100%;
  width: 100%;
}
.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}
.nav-search input:focus {
  outline: none;
}
.nav-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(198, 242, 78, 0.2);
}
.nav-kbd {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 2px 7px;
  flex-shrink: 0;
  margin-left: 8px;
}
.nav-cats {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  padding: 8px 14px;
  border-radius: 20px;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.nav-cat::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: background 0.25s ease;
}
.nav-cat:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}
.nav-cat:hover::before {
  background: var(--accent);
}
.nav-cat.active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  border-radius: 20px 20px 0 0;
  background: rgba(255, 255, 255, 0.06);
}
.nav-cat.active::before {
  background: var(--accent);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: auto;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--primary-dark);
  padding: 16px 24px 24px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu-item {
  padding: 12px 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu-item:last-child {
  border-bottom: none;
}
.mobile-menu-item:hover,
.mobile-menu-item.active {
  color: var(--accent);
}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: #C0C8D0;
}
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Article Main ===== */
.article-main {
  padding: 48px 0 80px;
}
.article-head {
  margin-bottom: 32px;
}
.article-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(198, 242, 78, 0.2);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.article-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-dark);
}
.article-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--text-2);
}
.article-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.article-meta svg {
  width: 15px;
  height: 15px;
  stroke: #9AA7B3;
}
.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
}
.article-cover img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ===== Article Content ===== */
.article-content {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
}
.article-content p {
  margin-bottom: 24px;
  line-height: 1.85;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 600;
  margin: 42px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
  color: var(--text);
}
.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 30px 0 14px;
  color: var(--text);
}
.article-content img {
  border-radius: 12px;
  margin: 28px 0;
  width: 100%;
  height: auto;
  box-shadow: var(--shadow-sm);
}
.article-content blockquote {
  border-left: 4px solid var(--gold);
  background: #FDF8EE;
  padding: 18px 22px;
  border-radius: 8px;
  margin: 28px 0;
  color: #4A5560;
  font-style: normal;
}
.article-content ul,
.article-content ol {
  margin: 20px 0 24px;
  padding-left: 0;
}
.article-content ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  line-height: 1.75;
}
.article-content ul li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  left: 6px;
  top: 12px;
}
.article-content ol {
  counter-reset: item;
  padding-left: 0;
}
.article-content ol li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 10px;
  counter-increment: item;
}
.article-content ol li::before {
  content: counter(item) ".";
  font-weight: 700;
  color: var(--primary);
  position: absolute;
  left: 6px;
  top: 0;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(11, 59, 45, 0.3);
}
.article-content a:hover {
  text-decoration-color: var(--accent-dark);
  color: var(--primary-light);
}
.article-content strong {
  font-weight: 700;
}

/* ===== Article Tags ===== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 40px 0 50px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.tag-item {
  display: inline-flex;
  align-items: center;
  background: #F0EFE9;
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  padding: 6px 14px;
  border-radius: 20px;
  transition: all 0.25s ease;
}
.tag-item:hover {
  background: rgba(198, 242, 78, 0.25);
  border-color: var(--accent);
  color: var(--primary);
}

/* ===== Prev Next ===== */
.prev-next-wrap {
  margin: 48px 0 56px;
}
.prev-next-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.prev-next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}
.prev-next-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(198, 242, 78, 0.6);
}
.prev-next-card .dir-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.prev-next-card .dir-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
}
.prev-next-card.next {
  text-align: right;
}

/* ===== Related ===== */
.related-section {
  margin-bottom: 48px;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-no {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: 1.5px;
}
.section-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.section-desc {
  font-size: 14px;
  color: var(--text-2);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.related-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.related-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.related-card .thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #F0EFE9;
}
.related-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.related-card:hover .thumb img {
  transform: scale(1.03);
}
.related-card .card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(11, 59, 45, 0.82);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}
.related-card .card-body {
  padding: 20px;
}
.related-card .card-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 12px;
  color: #9AA7B3;
}
.related-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}
.related-card .card-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.25s ease;
}
.related-card:hover .card-link svg {
  transform: translateX(3px);
}

/* ===== Return Button ===== */
.article-return {
  text-align: center;
  margin: 32px 0 24px;
}
.btn-return {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 40px;
  transition: all 0.25s ease;
  background: transparent;
}
.btn-return:hover {
  background: var(--primary);
  color: #fff;
  transform: translateX(-4px);
}
.btn-return svg {
  width: 16px;
  height: 16px;
}

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  background: var(--card-bg);
  border: 1.5px dashed #CBD2D9;
  border-radius: var(--radius-xl);
  padding: 80px 40px;
  margin: 48px 0;
}
.not-found h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.not-found p {
  color: var(--text-2);
  margin-bottom: 32px;
  font-size: 15px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  background: transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn-ghost:hover {
  border-color: var(--accent-dark);
  background: rgba(198, 242, 78, 0.12);
  color: var(--primary-dark);
}

/* ===== CTA Band ===== */
.cta-band {
  background: var(--primary);
  border-radius: var(--radius-xl);
  padding: 56px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin: 64px 0 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198, 242, 78, 0.15), transparent 70%);
}
.cta-band::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 10%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 177, 78, 0.12), transparent 70%);
}
.cta-content {
  position: relative;
  z-index: 1;
  flex: 1;
}
.cta-content h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cta-content p {
  color: rgba(232, 240, 228, 0.75);
  font-size: 15px;
  line-height: 1.6;
}
.cta-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  justify-content: center;
}
.cta-actions .btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
}
.cta-actions .btn-primary:hover {
  background: #d4ff6a;
}
.cta-actions .btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}
.cta-actions .btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--footer-bg);
  color: rgba(232, 240, 228, 0.8);
  margin-top: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 40px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
}
.footer-brand .logo-cn {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}
.footer-brand .logo-sub {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  color: rgba(232, 240, 228, 0.65);
  line-height: 1.7;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(232, 240, 228, 0.65);
  transition: color 0.25s ease;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-safe {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  padding: 14px 0;
}
.footer-safe-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: rgba(232, 240, 228, 0.55);
}
.footer-safe-inner span:first-child {
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}
.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(232, 240, 228, 0.45);
}

/* ===== Mobile Fav Bar ===== */
.mobile-fav-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
}
.mobile-fav-bar .btn-primary {
  width: 100%;
  justify-content: center;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-inner {
    gap: 14px;
  }
  .nav-search {
    flex-basis: 280px;
  }
  .nav-cat {
    padding: 8px 10px;
    font-size: 13px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-band {
    padding: 40px 32px;
    flex-direction: column;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .container-narrow {
    padding: 0 20px;
  }
  .nav-inner {
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .brand-cn {
    font-size: 20px;
  }
  .brand-sub {
    font-size: 9px;
  }
  .nav-search {
    order: 10;
    flex-basis: 100%;
    max-width: 100%;
    height: 40px;
  }
  .nav-cats {
    display: none;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .mobile-menu {
    padding: 8px 20px 20px;
  }
  .article-main {
    padding: 32px 0 60px;
  }
  .article-title {
    font-size: 26px;
  }
  .article-meta {
    gap: 12px;
  }
  .prev-next-grid {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 32px;
  }
  .cta-band {
    padding: 32px 24px;
    margin-top: 48px;
  }
  .cta-content h2 {
    font-size: 22px;
  }
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .cta-actions .btn-primary,
  .cta-actions .btn-ghost {
    width: 100%;
    justify-content: center;
  }
  .mobile-fav-bar {
    display: block;
  }
  body {
    padding-bottom: 0;
  }
}
@media (max-width: 520px) {
  .brand-sub {
    display: none;
  }
  .article-title {
    font-size: 23px;
  }
  .article-content {
    font-size: 16px;
  }
  .article-content h2 {
    font-size: 21px;
  }
  .section-title {
    font-size: 22px;
  }
  .not-found {
    padding: 50px 24px;
  }
  .footer-safe-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0B3B2D;
  --primary-90: rgba(11, 59, 45, .9);
  --primary-soft: rgba(11, 59, 45, .08);
  --accent: #C6F24E;
  --accent-hover: #D9FF70;
  --accent-dark: #7A9E2E;
  --bg: #F7F5EF;
  --card-bg: #FFFFFF;
  --text: #1F2933;
  --text-muted: #5F6C7A;
  --gold: #E8B14E;
  --border: #E5E7EB;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, .08);
  --transition: .25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: 72px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 64px 0;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--primary);
  box-shadow: 0 2px 20px rgba(0, 0, 0, .1);
}

.header-glow {
  height: 6px;
  background: linear-gradient(90deg, var(--accent), var(--gold), var(--accent));
  background-size: 200% 100%;
  animation: glowShift 8s ease infinite;
}

@keyframes glowShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  line-height: 1.2;
  margin-right: 8px;
}

.brand-cn {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.brand-sub {
  font-size: 10px;
  letter-spacing: 2.5px;
  color: rgba(255, 255, 255, .55);
  margin-top: 2px;
}

.header-search {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.header-search .search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: rgba(255, 255, 255, .55);
  pointer-events: none;
}

.header-search input {
  width: 100%;
  height: 40px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 14px;
  padding: 0 44px 0 38px;
  outline: none;
  transition: background var(--transition), box-shadow var(--transition);
}

.header-search input::placeholder {
  color: rgba(255, 255, 255, .5);
}

.header-search input:focus {
  background: rgba(255, 255, 255, .2);
  box-shadow: 0 0 0 4px rgba(198, 242, 78, .2);
}

.search-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 6px;
  color: rgba(255, 255, 255, .5);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.nav-cats {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: auto;
}

.nav-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 20px;
  color: rgba(255, 255, 255, .82);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.nav-cat::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .35);
  flex-shrink: 0;
  transition: background var(--transition);
}

.nav-cat:hover {
  background: rgba(198, 242, 78, .12);
  color: var(--accent);
}

.nav-cat:hover::before {
  background: var(--accent);
}

.nav-cat.active {
  color: var(--accent);
  background: rgba(198, 242, 78, .1);
}

.nav-cat.active::before {
  background: var(--accent);
}

.nav-cat.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .12);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 108px;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--primary);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, .2);
  border-top: 1px solid rgba(255, 255, 255, .08);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  display: flex;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, .85);
  font-size: 15px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.mobile-nav-link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .3);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: rgba(198, 242, 78, .12);
  color: var(--accent);
}

.mobile-nav-link:hover::before,
.mobile-nav-link.active::before {
  background: var(--accent);
}

/* ---------- Hero ---------- */
.cat-hero {
  background-color: var(--primary);
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
}

.cat-hero-bg {
  position: absolute;
  inset: -25px;
  background-size: cover;
  background-position: center;
  opacity: .18;
}

.cat-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(11, 59, 45, .97) 25%, rgba(11, 59, 45, .82) 70%, rgba(11, 59, 45, .65));
}

.cat-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 52px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(198, 242, 78, .14);
  border: 1px solid rgba(198, 242, 78, .35);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 22px;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 700;
  color: #fff;
  max-width: 520px;
  letter-spacing: .5px;
}

.hero-sub {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .75);
  max-width: 480px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:active {
  transform: scale(.98);
}

.btn:focus-visible,
.nav-cat:focus-visible,
.featured-link:focus-visible,
.faq-q:focus-visible,
.nav-toggle:focus-visible {
  outline: 3px solid rgba(198, 242, 78, .5);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #142117;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 10px 28px rgba(198, 242, 78, .28);
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .4);
  color: #fff;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(198, 242, 78, .08);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-soft);
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 4px solid rgba(255, 255, 255, .92);
  object-fit: cover;
  aspect-ratio: 16 / 11;
  box-shadow: 0 28px 60px rgba(0, 0, 0, .35);
  transition: transform var(--transition);
}

.hero-visual img:hover {
  transform: scale(1.02);
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 52px;
}

.hero-stat {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: background var(--transition), transform var(--transition);
}

.hero-stat:hover {
  background: rgba(255, 255, 255, .13);
  transform: translateY(-3px);
}

.hero-stat-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  display: block;
  font-family: "Inter", "Roboto", -apple-system, sans-serif;
  letter-spacing: .5px;
}

.hero-stat-num.gold {
  color: var(--gold);
}

.hero-stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, .65);
  display: block;
  margin-top: 4px;
}

/* ---------- Section heading ---------- */
.section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 36px;
}

.section-index {
  font-size: 44px;
  font-weight: 700;
  color: var(--primary);
  opacity: .18;
  line-height: 1;
  font-family: "Inter", "Roboto", -apple-system, sans-serif;
  flex-shrink: 0;
  margin-top: 4px;
}

.section-head h2 {
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 6px;
  line-height: 1.3;
}

.section-desc {
  color: var(--text-muted);
  font-size: 15px;
}

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, .03);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(11, 59, 45, .12);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(198, 242, 78, .25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 18px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- Featured list ---------- */
.featured-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.featured-card {
  display: grid;
  grid-template-columns: 5fr 7fr;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, .03);
  transition: box-shadow var(--transition), transform var(--transition);
}

.featured-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.featured-card:hover .featured-media img {
  transform: scale(1.03);
}

.featured-media {
  position: relative;
  min-height: 230px;
  overflow: hidden;
}

.featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.featured-rank {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 36px;
  height: 36px;
  background: rgba(11, 59, 45, .82);
  backdrop-filter: blur(4px);
  color: var(--accent);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .15);
}

.featured-body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-tag {
  display: inline-flex;
  align-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  align-self: flex-start;
  margin-bottom: 14px;
}

.featured-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 10px;
}

.featured-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.featured-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.featured-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition), gap var(--transition);
}

.featured-link:hover {
  color: var(--accent-dark);
  gap: 8px;
}

/* ---------- Directory ---------- */
.directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.directory-col {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, .03);
  transition: box-shadow var(--transition), transform var(--transition);
}

.directory-col:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.directory-col h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 0, 0, .05);
}

.col-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-dark);
  flex-shrink: 0;
}

.directory-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.directory-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 4px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition), padding-left var(--transition);
}

.directory-item em {
  font-style: normal;
  font-size: 11px;
  background: rgba(198, 242, 78, .2);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 100px;
  flex-shrink: 0;
}

.directory-item:hover {
  background: rgba(11, 59, 45, .04);
  color: var(--primary);
  padding-left: 8px;
}

/* ---------- Update note ---------- */
.update-note-inner {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 40px;
  border: 1px solid rgba(0, 0, 0, .03);
}

.update-note-head {
  flex-shrink: 0;
  width: 240px;
}

.update-badge {
  display: inline-flex;
  align-items: center;
  background: var(--gold);
  color: #2D2205;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.update-note-head h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.update-note-head p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.6;
}

.update-note-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  flex: 1;
}

.update-note-item {
  background: rgba(247, 245, 239, .7);
  border: 1px solid rgba(0, 0, 0, .04);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: background var(--transition), border-color var(--transition);
}

.update-note-item:hover {
  background: #fff;
  border-color: rgba(11, 59, 45, .12);
}

.update-note-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.update-note-item h3::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--accent-dark);
}

.update-note-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.faq-item:hover {
  border-color: rgba(11, 59, 45, .18);
}

.faq-item.open {
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 59, 45, .15);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  gap: 16px;
}

.faq-icon {
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(11, 59, 45, .08);
  transition: transform var(--transition), background var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 10px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
}

.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
  background: var(--primary);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-a p {
  padding: 0 22px 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.faq-item.open .faq-a {
  max-height: 300px;
}

/* ---------- CTA band ---------- */
.cta-section {
  padding: 40px 0 0;
}

.cta-band {
  position: relative;
  background: var(--primary);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  overflow: hidden;
  text-align: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: .12;
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(198, 242, 78, .15), transparent 55%);
}

.cta-band-inner {
  position: relative;
  z-index: 2;
}

.cta-band h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}

.cta-band p {
  font-size: 16px;
  color: rgba(255, 255, 255, .7);
  max-width: 480px;
  margin: 0 auto 30px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, .8);
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 44px;
}

.footer-brand .logo-cn {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.footer-brand .logo-sub {
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, .55);
  display: block;
  margin-top: 2px;
}

.footer-desc {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .65);
  max-width: 360px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-safe {
  background: rgba(255, 255, 255, .06);
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.footer-safe-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, .55);
  flex-wrap: wrap;
}

.footer-safe-inner span:first-child {
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 16px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .header-search {
    max-width: 320px;
  }

  .nav-cat {
    padding: 8px 10px;
    font-size: 13px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cat-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    max-width: 560px;
  }

  .hero-title {
    font-size: 34px;
  }

  .update-note-inner {
    flex-direction: column;
    gap: 24px;
  }

  .update-note-head {
    width: 100%;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 108px;
  }

  .header-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 10px;
  }

  .brand {
    margin-right: 0;
  }

  .brand-cn {
    font-size: 20px;
  }

  .nav-cats {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .header-search {
    order: 3;
    flex-basis: 100%;
    max-width: 100%;
    margin-top: 2px;
  }

  .section {
    padding: 44px 0;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .section-index {
    font-size: 34px;
  }

  .cat-hero {
    padding: 52px 0 44px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 40px;
    gap: 12px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .featured-card {
    grid-template-columns: 1fr;
  }

  .featured-media {
    min-height: 200px;
  }

  .featured-body {
    padding: 24px;
  }

  .directory-grid {
    grid-template-columns: 1fr;
  }

  .update-note-inner {
    padding: 28px 22px;
  }

  .update-note-list {
    grid-template-columns: 1fr;
  }

  .faq-q {
    font-size: 15px;
    padding: 16px 18px;
  }

  .cta-band {
    padding: 40px 24px;
  }

  .cta-band h2 {
    font-size: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 32px;
  }

  .footer-safe-inner {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .mobile-drawer {
    top: 108px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    padding: 10px 16px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-sub {
    font-size: 14px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-stat-num {
    font-size: 22px;
  }

  .section-head {
    flex-direction: column;
    gap: 8px;
  }

  .section-index {
    font-size: 30px;
  }

  .featured-body h3 {
    font-size: 18px;
  }

  .featured-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .update-note-head h2 {
    font-size: 20px;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }
}